Home / 20,620,553.39-30,934,813.14-7,840,064.37

Finding the Fourth Proportional to 20,620,553.39, 30,934,813.14 and 7,840,064.37

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Solution

The fourth proportional to 20,620,553.39, 30,934,813.14 and 7,840,064.37 is: 11,761,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,553.39 : 30,934,813.14 = 7,840,064.37 : x
  2. Step 2: Convert to fraction form
    20,620,553.39/30,934,813.14 = 7,840,064.37/x
  3. Step 3: Cross multiply
    20,620,553.39x = 30,934,813.14 × 7,840,064.37
  4. Step 4: Simplify right side
    20,620,553.39x = 242,530,926,407,527.38
  5. Step 5: Solve for x
    x = 242,530,926,407,527.38/20,620,553.39
  6. Step 6: Final answer
    x = 11,761,610.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.